Adelaide weather in January 2026

Expect daytime maximum temperatures of 84°F in Adelaide, South Australia in January based on long-term weather averages. There are 10 hours of sunshine per day on average.

  • 84°F maximum daytime temperature in January in Adelaide84
    84°F max day temperature
  • 10 hours of sunshine per day
  • 6 days with some rainfall in January in Adelaide6
    6 days with some rainfall
  • 61°F minimum night-time temperature in January in Adelaide61
    61°F min night temperature
  • 14 hours of daylight per day in January in Adelaide14
    14 hours of daylight per day
  • Low heat & humidity in January in AdelaideL
    Low heat & humidity
  • 0.7 inches monthly rainfall in January in Adelaide0.7
    0.7 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in Adelaide11
    11+ (Extreme) UV index
  • 70°F sea temperature in January in Adelaide70
    70°F sea temperature

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The January weather guide for South Australia (Adelaide) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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How hot is it in Adelaide in January?

Daytime temperatures usually reach 84°F in Adelaide in January with low heat and humidity, falling to 61°F at night.

How sunny is it in Adelaide in January?

There are normally 10 hours of bright sunshine each day in Adelaide in January - that's 72% of daylight hours.

How warm is the sea around Adelaide in January?

The average sea temperature around Adelaide in January is 70°F.

Does it rain in Adelaide in January?

There are usually 6 days with some rain in Adelaide in January and the average monthly rainfall is 0.7 inches.

Adelaide January sunrise & sunset times

Browse the sunrise and sunset times for Adelaide in January 2026. Select a month to view Adelaide sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 05:05 19:33
Friday, 16th January 2026 05:18 19:32
Saturday, 31st January 2026 05:34 19:24

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